32 terms

Special thanks to Granite School District in Utah for sharing vocabulary lists and printable flashcards. I used the latter to cut and paste images into the digital flashcard sets. This is set four of four. Granite Schools printable set: http://www.graniteschools.org/depart/teachinglearning/curriculuminstruction/math/Pages/MathematicsVocabulary.aspx

protractor

A tool used to measure and draw angles.

quart (qt)

A customary unit of capacity. 1 quart = 2 pints or 1 quart = 4 cups

quotient

The answer to a division problem.

range

The difference between the greatest number and the least number in a set of data.

ray

A part of a line that has one endpoint and goes on forever in one direction.

reasonableness

An answer that is based on good number sense.

related facts

Related addition and subtraction facts or related multiplication and division facts. Also called fact family.

remainder

The amount left over when one number is divided by another.

right angle

An angle that measures exactly 90º.

right triangle

A triangle that has one 90º angle.

round a whole number

To find the nearest ten, hundred, thousand, (and so on).

second (sec)

One sixtieth of a minute. There are 60 seconds in a minute.

sequence

A set of numbers arranged in a special order or pattern.

simplest form

When a fraction is expressed with the fewest possible pieces, it is in simplest form. (Also called lowest terms.)

simplify

To express a fraction in simplest form.

square unit

A unit, such as square centimeter or square inch, used to measure area.

standard form

A common or usual way of writing a number using digits.

subtract

An operation that gives the difference between two numbers. Subtraction can be used to compare two numbers, or to find out how much is left after some is taken away.

sum

The answer to an addition problem.

tenth

One of the equal parts when a whole is divided into 10 equal parts.

time interval

A duration of a segment of time.

two-dimensional

Having length and width. Having area, but not volume. Also called a plane figure.

unit fraction

A fraction that has 1 as its numerator.

unlike denominators

Denominators that are not equal.

variable

A letter or symbol that represents a number.

vertex (vertices)

The point at which two line segments, lines, or rays meet to form an angle.

volume (liquid)

The number of cubic units it takes to fill a figure.

weight

The measure of how heavy something is.

whole numbers

Whole numbers are zero and the counting numbers 1, 2, 3, 4, 5, 6, and so on. If a number has a negative sign, a decimal point, or a part that's a fraction, it is NOT a whole number.

word form

A way of using words to write a number.

yard (yd)

A customary unit of length. 1 yard = 3 feet or 36 inches.

Zero Property of Multiplication

The product of any number and zero is zero.